\nMai mul\u0163i cercet\u0103tori ai Universit\u0103\u0163ii Temple din Philadelphia, condu\u015fi de Sudhir Kumar, au descoperit \u201estr\u0103mo\u015ful\u201d virusului SARS-CoV-2, scrie \u201eLa Stampa\u201d.<\/p>\n
\nStudiul a fost publicat \u00een revista \u201eMolecular Biology and Evolution\u201d.<\/p>\n
\n\u201eMama\u201d at\u00e2tor dezastre pentru cercet\u0103tori are un nume clar: proCoV2 \u015fi prima sa variant\u0103 circula deja \u00een lume \u00een octombrie 2019. Evolu\u0163iile \u015fi muta\u0163iile succesive ale virusului ap\u0103rut \u00een China au dus apoi la o serie de sub-tulpini care au devenit dominante, \u00een timp.<\/p>\n
\nCercet\u0103torii condu\u015fi de Sudhir Kumar au pornit pe urmele genetice ale coronavirusului \u015fi, \u00een baza h\u0103r\u0163ilor genetice, au descoperit c\u0103 \u201emul\u0163i membri ai familiei a ceea ce avea s\u0103 devin\u0103 virusul SARS-CoV-2\u201d erau deja prezen\u0163i \u00een \u00eentreaga lume \u00eenainte de primele cazuri identificate \u00een Wuhan, \u00een decembrie 2019.<\/p>\n
\n\u201eStr\u0103mo\u015ful\u201d virusului ar fi ap\u0103rut la sf\u00e2r\u015fitul lunii octombrie 2019 \u015fi ar explica r\u0103sp\u00e2ndirea rapid\u0103 \u00een multe \u0163\u0103ri \u00eenainte ca \u00eemboln\u0103virile din Wuhan s\u0103 ias\u0103 la iveal\u0103.<\/p>\n
\nCercetarea, bazat\u0103 pe epidemiologia genetic\u0103, a permis stabilirea faptului c\u0103 \u201emama\u201d virusului SARS-CoV-2 a ap\u0103rut \u00een China, unde a dat na\u015ftere unei familii de coronavirusuri care s-a r\u0103sp\u00e2ndit \u00een toat\u0103 lumea, \u00een prima faz\u0103 a pandemiei. Unul dintre ace\u015fti numero\u015fi \u201enepo\u0163i\u201d este tulpina care a declan\u015fat apoi primul focar din Wuhan.<\/p>\n
\nPotrivit cercet\u0103torilor, virusul a provocat deja infec\u0163ii \u00een China cu 6-8 s\u0103pt\u0103m\u00e2ni \u00eenainte de cazurile din decembrie 2019.<\/p>\n
\nConform geneticianului Giuseppe Novelli de la Universitatea Tor Vergata din Roma, se poate aprecia c\u0103 virusul are o rat\u0103 de muta\u0163ie de 2 muta\u0163ii pe lun\u0103 \u015fi c\u0103 a ap\u0103rut cu cel pu\u0163in 6-8 s\u0103pt\u0103m\u00e2ni \u00eenainte de genomul izolat din China, cunoscut sub numele de \u201eWuhan-1\u201d.<\/p>\n
\nCercetarea, potrivit lui Novelli, ar putea ajuta \u00een lupta \u00eempotriva COVID, debloc\u00e2nd terapii \u201ecare func\u0163ioneaz\u0103 asupra \u00eentregii familii de viru\u015fi, \u00een loc de unul singur\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"
Un studiu a f\u0103cut posibil\u0103 identificarea \u201emamei\u201d \u00eentregii familii a coronavirusului SARS-CoV-2 responsabil de pandemia COVID-19. Primul caz nu a fost \u00een Wuhan, iar prima variant\u0103 a lui SARS-CoV-2 circula deja \u00een octombrie 2019.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[510],"tags":[46210,11605],"class_list":["post-193720","post","type-post","status-publish","format-standard","hentry","category-actualitate","tag-covid","tag-virus"],"_links":{"self":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/193720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=193720"}],"version-history":[{"count":0,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/193720\/revisions"}],"wp:attachment":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=193720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=193720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=193720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}